Sometimes it's rebounding
one  module description
1  Dual L9110S chip motor driver
2 Module power supplyVoltage: 2.5-12V
3  suitable motor range: between 2.5V-12V of the motor, the maximum working current is 0.8A, the current smart car voltage and current on the market are within this range
4 It can drive 2 DC motors at the same time,or1 4 -line 2 -to -step step motor.
5 PCB board size: 2.8cm*2.1cm ultra -small volume, suitable for assembly
6  There is a fixed installation hole, diameter: 3mm
two module interface description
【6P Black Bending Needle Instructions】
1 VCC external2.5V-12V voltage
2 GND external GND
3 IA1 Outer single -chip machineIO port
4 IB1 Outer single -chip machineIO port
5 IA2 Outer single -chip machineIO port
6 IB2 Outer single -chip machineIO port
[4P green terminal description]
1 OA1 OB1 2 pins of DC motor, no direction
2 OA2 OB2 2 pins of DC motor, no direction
three ModuleInstructions for use
A-1A input high level, A-1B input low level, MOTOR A motor rotates forward;
A-1A input low level, A-1B input high level, MOTOR A motor inversion;
B-1A input high level, B-1B input low level, MOTOR B motor rotates forward;
B-1A input low level, B-1B input high level, MOTOR B motor inversion;
Template protection code
Template protection code
Template protection code
- -_- -